Fig. 4From: Comparison of the effects of olfactory stimulation by air-dried and high-temperature-dried wood chips of hinoki cypress (Chamaecyparis obtusa) on prefrontal cortex activityThe subjective feeling measured by the modified semantic differential method after olfactory stimulation by air-dried or high-temperature-dried hinoki cypress wood chips. Data are expressed as mean ± SE; n = 19; *P < 0.05 by Wilcoxon signed-rank testBack to article page